The wearable technology, which is being tested by a select group of users, was used to record an arrest on the Jersey Shore. The incident raises questions about citizen journalism and the limits of privacy in public.

The rock found in Morocco was even weirder than it looked. The olive green chunk, speckled with white and brown, has chemical and physical properties similar to the planet Mercury. But some experts doubt that the 4.56-billion-year-old meteorite is from the planet closest to our sun.

Building huge turbine farms too close together might significantly reduce their power, some atmospheric scientists say. The problem is “wind shadow” — the turbulence created by one big cluster of turbines that steals wind from another cluster down the road.

Pentagon officials say they’re opening ground combat jobs to women as a matter of equality. But the military also needs them because the number of military-age men who qualify for service is declining.

Some Colorado doctors who’ve treated victims of recent mass shootings and everyday gun violence say they’re deeply disturbed by and opposed to guns. But other doctors don’t support the new gun restrictions lawmakers are talking about in Denver and Washington, D.C.

Wyoming has the highest suicide rate in the U.S., and two thirds of the state’s suicides are by firearm. Like much of the West, Wyoming’s gun ownership rates are high, and gun culture is strong. The state’s relationship with guns has made suicide prevention efforts tough, but that may be changing.

What if a gun could only be fired by its rightful owner? What if it recognized a grip or fingerprint, or communicated with a special ring? It’s been a fantasy for years, and in the wake of the Sandy Hook tragedy, so-called smart gun technology is back in the spotlight.

The Department of Veterans Affairs doesn’t track how many free gun locks it gives out or whether they’re even effective. Rather, the devices are viewed as a stalling technique in the event a veteran picks up a gun in a moment of crisis.

Early March is when Yosemite National Park officials would normally be gearing up for the busy tourist season. Instead, they’re figuring out how to cut $1.5 million from their budget because of the recent sequestration that forced across-the-board cuts. The National Park Service must now cut $134 million from sites around the country.

Marijuana proponents in Washington state have talked of a “gold rush” as the state transitions to a legal, licensed marijuana industry. But uncertainty about state rules and potential federal intervention have made pursuing opportunities in the industry a high-risk business proposition.

Federal health officials warned that a dangerous group of superbugs has become increasingly common in hospitals throughout the past decade. The Centers for Disease Control and Prevention says the bacteria are resistant to virtually all antibiotics, including the ones doctors use as a last-ditch option.

More than 2 feet of snow hit the high plains this week, snarling travel and all but shutting down some cities. Despite those hassles, for farmers and ranchers, the snow brings some urgently needed moisture to their drought-stricken fields and pastures.

U.S. Army Spc. Tyler Jeffries lost both legs in a roadside bombing last October in Afghanistan, and he has been learning to walk on prosthetic legs. But Jeffries was determined to meet his buddies when they returned from duty in January.

North Korea’s latest nuclear weapons test is much more powerful than the previous two, according to estimates made by instruments that measure seismic waves from the blast. But it’s hard to verify North Korea’s claim that the test was of a miniaturized nuclear weapon.

News

December 9, 2016 | NPR · The president-elect’s team has sent 74 questions to the federal agency, including many about climate-change-focused personnel and programs. The department’s lawyers are examining the request.

December 9, 2016 | NPR · The bill, passed less than an hour before the deadline, will keep the federal government running until late April. Coal-state Democrats had been protesting provisions that affected miners.

December 9, 2016 | NPR · President-elect Donald Trump will retain a credit as executive producer of the reality TV show Celebrity Apprentice. The new season, with new “boss” Arnold Schwarzenegger, premieres January 2. NPR TV critic Eric Deggans says no one but Trump knows how involved he will be, but the news seems to contradict NBC’s past assertion that it has severed business ties with Trump.

December 9, 2016 | YouthRadio · One week ago, a fire ripped through an Oakland warehouse that was being used as a music venue and artist community. Hear the music of four up-and-coming electronic artists who died in that fire.

December 9, 2016 | NPR · While he was working on Atlanta, Donald Glover was also gathering musicians for soul jam sessions. “Awaken, My Love!” is an album of ’70s throwback sounds that feels thrillingly alive.